Worlds Without End
Caroline Spector
Shadowrun (18)
Worlds Unseen
Rachel Starr Thomson
Worlds of the Imperium
Keith Laumer
Imperium (1)
The Worlds of George O.
George O. Smith
Worlds in Collision
Judith Reeves-Stevens & Garfield Reeves-Stevens
Signature (3)
Worlds for the Taking
Kenneth Bulmer
Worlds Apart
Marilyn Campbell
J. T. McIntosh
The Off-Worlders
John Baxter
Worldbinder
Dave Wolverton
The Runelords (6)
World's End
Mark Chadbourn
The Age of Misrule (1)
Joan D. Vinge
The Snow Queen Cycle (2)
The World's Desire
H. Rider Haggard & Andrew Lang
The World Wreckers
Marion Zimmer Bradley
Darkover (19)
World Without Stars
Poul Anderson
World Without End
Molly Cochran & Warren Murphy